Very few of Obama’s young supporters from 2008 are likely defect to Romney. Some may not vote, and I see the possibility of others abandoning both parties and instead choosing the Libertarian candidate.

My most recent polling with JZ Analytics found Obama’s approval rating among the 18-29 group in the high 50 percentile, up from where it had been a few months earlier. Approval rating is a good indicator of whether voters will support an incumbent, so you can see Obama is behind where he needs to be among younger voters.

Obama’s youth vote problem is most acute among those 18-24 who entered the job market since he took office and are not finding work that meets their expectations.

Last week, Harvard’s Institute of Politics released an online study of more than 3,000 U.S. adults ages 18-29. This exhaustive look at the policy priorities of First Globals finds the economy and jobs are far and away their highest concern. That data point and others show why support for Obama has slipped since 2008. They favor Obama over Romney, 43%-26%. There is an 11-point difference in Obama’s margin between those 25-29 (23 points) and those 18-24 (12 points.) Congressional Democrats have a higher approval than Republicans, 39%-25%…..